/* LoanCalc Zone - Main Stylesheet */
/* Color palette: Deep blue professional theme */

:root {
    --primary: #1e3a8a;
    --primary-light: #3b82f6;
    --primary-dark: #1e40af;
    --accent: #10b981;
    --bg: #f8fafc;
    --bg-card: #ffffff;
    --text: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --radius: 8px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 16px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    background: var(--primary);
    color: white;
    padding: 16px 0;
    box-shadow: var(--shadow);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo {
    font-size: 20px;
    font-weight: 700;
    color: white;
    text-decoration: none;
}

.site-logo span {
    color: var(--primary-light);
}

.site-nav {
    display: flex;
    gap: 24px;
}

.site-nav a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.2s;
}

.site-nav a:hover {
    color: white;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
}

.hero h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero p {
    font-size: 18px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Tools Grid */
.tools-section {
    padding: 60px 0;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
    color: var(--text);
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 16px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-decoration: none;
    color: var(--text);
    transition: all 0.2s;
    display: block;
}

.tool-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--primary-light);
}

.tool-card-icon {
    width: 48px;
    height: 48px;
    background: #eff6ff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.tool-card-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-light);
}

.tool-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.tool-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Calculator Page Styles */
.calculator-page {
    padding: 40px 0;
}

.calculator-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

.calculator-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
}

.calculator-result {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    position: sticky;
    top: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 16px;
    color: var(--text);
    background: white;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.result-row {
    display: flex;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.result-row:last-child {
    border-bottom: none;
}

.result-label {
    color: var(--text-secondary);
    font-size: 14px;
}

.result-value {
    font-weight: 600;
    font-size: 16px;
    color: var(--text);
}

.result-value.primary {
    color: var(--primary);
    font-size: 24px;
    font-weight: 700;
}

.result-value.accent {
    color: var(--accent);
}

/* FAQ Section */
.faq-section {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.faq-section h2 {
    font-size: 24px;
    margin-bottom: 24px;
}

.faq-item {
    margin-bottom: 20px;
}

.faq-item h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

.faq-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Disclaimer */
.disclaimer {
    margin-top: 40px;
    padding: 20px;
    background: #fef3c7;
    border: 1px solid #fcd34d;
    border-radius: var(--radius);
    font-size: 13px;
    color: #92400e;
    line-height: 1.5;
}

/* Related Tools */
.related-tools {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.related-tools h2 {
    font-size: 20px;
    margin-bottom: 20px;
}

.related-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
}

.related-tool-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    text-decoration: none;
    color: var(--text);
    transition: all 0.2s;
}

.related-tool-link:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow);
}

.related-tool-link svg {
    width: 20px;
    height: 20px;
    color: var(--primary-light);
    flex-shrink: 0;
}

.related-tool-link span {
    font-size: 14px;
    font-weight: 500;
}

/* Footer */
.site-footer {
    background: var(--primary);
    color: rgba(255,255,255,0.8);
    padding: 40px 0;
    margin-top: 60px;
    font-size: 14px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
}

.footer-brand h3 {
    color: white;
    margin-bottom: 12px;
}

.footer-links h4 {
    color: white;
    margin-bottom: 12px;
    font-size: 14px;
}

.footer-links a {
    display: block;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    margin-bottom: 8px;
    font-size: 13px;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
    font-size: 13px;
    color: rgba(255,255,255,0.6);
}

/* Page Header */
.page-header {
    background: var(--primary);
    color: white;
    padding: 40px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 8px;
}

.page-header p {
    opacity: 0.9;
    font-size: 16px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 28px;
    }

    .hero p {
        font-size: 16px;
    }

    .calculator-layout {
        grid-template-columns: 1fr;
    }

    .calculator-result {
        position: static;
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .site-nav {
        display: none;
    }
}